Home / 104,886.96-144,743.44-57,140.20

Finding the Fourth Proportional to 104,886.96, 144,743.44 and 57,140.20

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Solution

The fourth proportional to 104,886.96, 144,743.44 and 57,140.20 is: 78,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,886.96 : 144,743.44 = 57,140.20 : x
  2. Step 2: Convert to fraction form
    104,886.96/144,743.44 = 57,140.20/x
  3. Step 3: Cross multiply
    104,886.96x = 144,743.44 × 57,140.20
  4. Step 4: Simplify right side
    104,886.96x = 8,270,669,110.29
  5. Step 5: Solve for x
    x = 8,270,669,110.29/104,886.96
  6. Step 6: Final answer
    x = 78,853.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.